How do you adjust the voltage? Do you have Trinity or AIRO? Voltage slider is inactive in my afterburner...Have you maxed out the voltage ? I must say i am very happy with my Zotac and seems i got very lucky as the core will boost to 3135Mhz and memory to 12002 , i know its not the best pcb out there but does it really matter ? If it decided to go pop for whatever reason then you have a 5 year warranty and will get another one but for 99% of people playing games will not notice any difference between a top of the range aib pcb and a budget imo , also i went full out last gen and got the Strix which was a stunning card / pcb and caused me no issue but boy did it squill like a pig with coil whine where as my budget zotac is silent no matter what i throw at it